Because the electricity is used to move heat from one place to another instead of converting that electricity directly into heat (as with electric-resistance water heating), the energy yield per unit of electricity input is much greater. Like electric heat pumps, they’re more efficient than furnaces in temperate climates. Which is better? Note: If you want to keep your monthly heating costs as low as possible, keep your heat pump water heater in “Economy Mode”. They segment it into three proline tires. Operating costs are lower for condensing water heaters. Find licensed plumbing experts in your area and get free, no-commitment estimates for your project. Instant gas hot water system price ranges are only about $735 to $1575, depending on the flow rate and star rating, so much less expensive than hot water heat pump. Of course, there are pros and cons to these units: The pinnacle of efficiency in electric water heaters is the heat pump water heater. You can read more about selecting the right size for a tankless water heater on SupplyHouse.com. Rheem vs. Ao Smiths Water heater: 1. The best way to determine the right water heater system for you is to chat with a professional. (Don’t worry, we’ll explain what that means below.). That is why before you should opt for either, make it a habit to check the features. Gas-powered tankless water heaters can be condensing or non-condensing, such as Rinnai’s 180,000 BTU Non-Condensing Water Heater (available from SupplyHouse). How Heat Pumps Warm Your Pool To begin the process of transferring heat, the pool pump's fan sucks in the air outside your pool. The recovery rate of a water heater refers to the time it takes a water heater to reheat its entire supply of hot water. Because they heat water as you use it, they can be up to 35 percent more energy efficient than a traditional tank-type water heater. “Depending on where you live, it might make sense to pick one over the other,” O’Brian reasons. An enthusiastic do-it-yourselfer with basic electrical knowledge can usually replace an electric water heater and save on installation costs (typically an extra $350 to $450, depending on where you live—different areas of the country will bring different costs). Installation requires maneuvering gas lines, and natural gas and propane water heaters (unless they’re condensing models) must also be vented to the outdoors. A gas or electric water heater’s energy factor (EF) is … Heat Pumps Vs. Gas Heaters. Gas and propane of A.O Smith vs. Rhyeem: Gas heaters are widely used for its superb functionality and outstanding service. Heat pump units, such as the Stiebel Eltron 58-Gallon Accelera 220 Water Heater (available from SupplyHouse), are pricier than non-heat-pump models (they can run $800 to $2,500 more than a standard electric model), but they are the most efficient water heaters on the market today. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Gas is cheaper than electricity in most cases, which makes furnaces more cost-effective than electric heat pumps in areas that experience colder temperatures. We compared the results with those of conventional tanked heaters from Rheem, one gas and one electric, as well as with a Rheem electric heat pump water heater, which is … “Typically, the higher the cost, the better the unit will run.” You will, however, spend more up front for a gas hot water heater, such as the AO Smith 50-Gallon Proline Gas Water Heater, than you’ll spend for a similar-size electric hot water heater, such as the AO Smith 50-Gallon Proline Electric Water Heater (both available from SupplyHouse). Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. While a water heater’s price tag is important, it shouldn’t be your only deciding factor. Considering the users’ requirement the famous brand A.O Smith has produced a couple of models that are available in the market now! Heat Pump vs. Propane Furnace, both of these devices are commonly compared when you want something that can be used for heating your home. Water heating currently accounts for as much as 50% of a South African household’s electricity use – these are options that will save you the most money. All Rights Reserved. There … However, this doesn’t mean that gas heaters are as sustainable. Heat Pumps vs Gas Furnaces for California Homes: The Basics I’ve talked about how to troubleshoot heat pump problems in the past, as well as plenty of other topics about them. When it comes to energy efficiency let us look into how each type works.The gas heater produces approximately 800w of heat from 1 kw of gas. This water heater operates by drawing heat from the air, making it best suited for use in warm climates. Both gas and electric water heaters are rated by “input,” a measurement of the amount of gas or electricity that’s used per hour to heat the water in the tank. The new trend is hybrid hot water heaters that combine tankless technology with a tank. The efficiency of a home heating system is essentially how much of the energy supply is converted into useful heat energy. You agree that BobVila.com may process your data in the manner described by our Privacy Policy. Tankless Water Heater Pros: Nothing beats a tankless heater for putting out lots of hot water—it never runs out. Or comfort? I haven’t ever shared a side-by-side comparison of the two, though. Storage Tank vs. Tankless Water Heaters for Phoenix, AZ, Why Does My Shower Water Pressure Drop When the Toilet Flushes. Depending on whether propane or natural gas is used and the location of your pool, cost can range from about $3.00 to $9.00 per hour to heat your pool. As opposed to gas or propane, heat pumps use electricity to heat water. If you have only electricity, however, the choice is simple: You’ll need to choose an electric water heater, such as AO Smith’s 50-Gallon Proline Residential Electric Water Heater (available from SupplyHouse). The cost of a water heater varies “depending mainly on how big, efficient, and high quality your water heater is,” O’Brian says. Heat pump water heaters are more energy efficient because they move heat while gas water heaters create heat via combustion. The best one for your household will depend on how much hot water you use, space requirements, your existing system, and whether or not you can get reticulated gas. Whatever style of water heater you purchase and no matter whether you opt for gas or electric, you’ll get the longest useful life out of your water heater if you always follow the manufacturer’s annual service and maintenance schedule. Now let’s take a closer look at both of these factors. Before you start shopping for a new water heater, however, you need to know which power source it will use: gas or electric. Thanks, Bob. Replacing a gas water heater, which requires disconnecting and reconnecting a gas line, is another story entirely. The Federal Trade Commission (FTC) requires every new conventional water heater to have a bright yellow and black Energy Guide label that states the appliance’s energy factor as well as the following information: If you’re shopping online, you won’t be able to view the Energy Guide label, but reputable retailers like SupplyHouse.com offer all the technical details about the models they sell, so you’ll still have the information you need to make an informed choice. Well, it really depends on what’s most important to you: energy efficiency and saving money in the long run? Heat pump hot water prices are also much higher vs gas hot water system prices. Using a buffer tank we can set the heat pump to perform at the minimum design temperature and hold that temperature with in the buffer tanks. This is due to the way that the heaters operate. Its facts and opinions are those of BobVila.com. You see, the recovery rate of a water heater is based on its BTU (British Thermal Unit) input. As a result, the recovery rate and first-hour rating (FHR)—two numbers that help consumers determine if a unit will meet their household’s needs—tend to be higher for gas water heaters than they are for comparable electric models with the same manufacturer and tank size. Gas vs Electric Heat - Which do I Choose? The following guide will discuss current water heater technology and break down some key considerations so you can choose the type of water heater best suited to your needs. Being from Northern Nevada and now living in Graham, WA, I’m rather suspicious of heat pumps. To move the heat, heat pumps work like a refrigerator in reverse. It has a COP between 5 and 6 and has a lifespan of ten to 20 years.Meanwhile, the solar heater cannot guarantee consistent pool heating, as it is dependent on the weather condition. That price is higher with conventional electric and gas systems, lower with solar hot water and heat pumps. Plus, tankless has some additional advantages. (You can find these ratings on the unit’s description on the retailer’s or manufacturer’s website.). It does not use a fuel to create heat and so is much more efficient that other options, including natural gas heaters. Neither fuel type promises the best efficiency; rather, manufacturers have developed highly efficient subcategories of water heaters for each type of power source. Just contact us today and we’ll be happy to walk you through your options. Well, although heat pump water heaters often cost more upfront, they provide lower monthly heating costs because they require relatively little energy to operate. An electric heater uses nearly all the energy it receives converting it into hot water, so you have less waste. Gas (Conventional) Boilers; Heat Pumps. Although heaters have a lower upfront cost, they require the cost of propane or natural gas which can exceed the run costs than that of a heat pump. Historically, old boilers are considered 50 – 75% efficient, which means that a half to a quarter of the energy supplied to the boiler was wasted. While gas hot water heaters cost less to run due to the lower cost of natural gas, electric heaters are actually more efficient. The higher the EF number, the more efficient the water heater. So a tankless water heater heater will still cost less to run. If you’re interested in saving money in the long run, a hybrid heat pump water heater is the better option. Glenda Taylor, AO Smith’s 50-Gallon Proline Residential Electric Water Heater, Rinnai 160,000 BTU Condensing Tankless Water Heater, AO Smith 50-Gallon Proline Gas Water Heater, AO Smith 50-Gallon Proline Electric Water Heater, Energy Star requirements for water heaters, AO Smith 50-Gallon Power Vent Gas Water Heater, Stiebel Eltron 58-Gallon Accelera 220 Water Heater, AO Smith 50-Gallon Voltex Hybrid Heat Pump Water Heater, Rinnai’s 180,000 BTU Non-Condensing Water Heater, selecting the right size for a tankless water heater on SupplyHouse.com, AO Smith 50-Gallon Power Vent Water Heater, Bradford White 40-Gallon Energy Saver Water Heater, Replacing Your Water Heater? While gas heaters and heat pumps release comparable emissions, acquiring gas is far more environmentally destructive. If a homeowner already has a gas water heater, he or she can expect to pay $400 to $550 for a plumber to remove the old unit and install the new one, no matter whether it’s a tank or tankless model. I’m vote Hybrid/Heat pump style hot water heaters, especially in warm humid climates. If you are weighing up electricity or gas for your hot water heating, there are three main systems in New Zealand: electric hot water cylinders, gas continuous flow, or heat pump water heaters. Unfortunately, a heat pump only works when the outside temperature is above freezing. A tankless heater saves about 30 to 50 percent in energy costs over a conventional gas heater (minimum EF of.82 vs..54 for conventional). If your home has access to natural gas, you might be wondering which water heater is better: a hybrid heat pump water heater or a gas water heater. This helps owners save money on bills, and also reduces carbon footprint. The research says it’s true. Hybrid Hot Water Heater Versus Tankless. Gas furnaces are not always more efficient than heat pumps, however. A gas or electric water heater’s energy factor (EF) is a measurement that compares the amount of hot water the heater produces per day to the amount of fuel it consumes. Cost Less Than Heat Pump to Purchase - Depending upon the size of your pool, a gas heater will set you back about half as much cash as a heat pump. The average for electric heat pump water heaters is 12 to 15 years. A gas heater must vent the spent gas, which also takes some of the heat with it. “They are limited on how much hot water can be pumped out at once, so size the appliance according to how much hot water you’ll need,” O’Brian advises, adding, “but you will never run out.” Note that, because they don’t store hot water, recovery and first-hour ratings (see below) don’t apply. Electric water heaters (particularly electric heat pump water heaters) can have higher EF ratings than gas water heaters. Look for a water heater’s EF rating either on its box or in the literature that accompanies the appliance. A heat pump costs a little more than a gas furnace (around $8,000 vs. $5,000, after rebates), but it is vastly more energy-efficient. A tankless heater … This is a huge advantage for homes that use large and frequent draws of hot water. These slimmer setups operate by drawing water in through a heating element when either a faucet or an appliance is turned on. For both gas and electric, tank water heaters last an average of 10 to 13 years, and tankless units last up to 20 years or longer. Switching to gas from electric, though, can tack on an additional $1,500 to $2,300 in installation costs for running a new gas line and installing venting. Thanks for the comparison info on the Heat Pump Water Heater vs. the Tankless Water Heaters. Condensing water heaters are more expensive than similar non-condensing units. Still have questions on your next water heater purchase? But why does a heat pump water heater save you more money in the long run? It is not energy efficient as it has a COP between 0.80 and 0.85.Heat pump heaters produce an equal amount of 1kW of heat from 1kW of electricity. Gas input is measured in BTUs, and electrical input is measured in watts. A tankless water heater’s flow rate determines how much water the unit can provide at one time. “In most cases, you are going to just go with whatever your home has been fitted with already,” says Daniel O’Brian, technical expert for online plumbing and HVAC retailer SupplyHouse.com. While both types are quite similar, there are some differences between the two in terms of options and efficiencies. And, I’ve talked a great deal about furnaces as well, i.e. Instead, tankless water heaters are rated for size by their “flow rate,” measured in gallons per minute (GPM). Unlike standard (non-condensing) gas water heaters, which route hot water vapor through a flue and vent it out of the house, condensing units, such as the AO Smith 50-Gallon Power Vent Gas Water Heater, collect and recycle the water vapor. Hybrid heat pump water heaters, such as the AO Smith 50-Gallon Voltex Hybrid Heat Pump Water Heater (available from SupplyHouse), allow the consumer to choose different operating modes for different situations to increase the appliance’s efficiency. As seen in the chart, the emissions from gas heaters are nearly equivalent to those from heat pumps (about 1.6 tonnes each). If comfort is more important, a gas water heater is your best option since it has a higher “recovery rate”. Solar water heating systems include storage tanks and solar collectors. One last suggestion: If energy efficiency and saving money is your main concern, you may also want to look into a gas tankless water heater. The good news, though, is that Texans don’t have to worry about this drawback. So as electricity and gas costs continue to rise, these more efficient options attract many homeowners. For example, many gas heaters are rated at 5.8 or 5.9 Stars out of a maximum possible 6 Star rating. Let’s say your family is drawing hot water from a 40 gallon tank. Electric water heaters range in power input from about 1,440 to 5,500 watts, and the same principle applies—the higher the wattage, the more quickly the unit will heat water. Note: If you want to keep your monthly heating costs as low as possible, … Tankless water heaters, also known as “on-demand” or “point-of-use (POU)” water heaters, come in both gas- and electric-powered options. Once the tank has been depleted you could be waiting for up to 8 hours until it can recover and provide a full tank of hot water again. For rural dwellers, who generally don’t have access to natural gas, an electric hot water heater may not be their only choice. These units use gas to heat only the water you need at any given moment. Heat pump water heaters use electricity to move heat from one place to another instead of generating heat directly. So, if you’re more concerned with having enough hot water and not running out, a gas water heater is best. Because of its combustion, gas produces heat more quickly than an electric heating element. “This just isn’t a job a typical homeowner is equipped to handle—I would recommend calling a pro for the installation,” O’Brian says. I’m used to the traditional furnace / central AC systems. We’re here to help. Instead of creating heat through burning fuel, heat pumps capture heat from the surrounding air, then transfer that heat to your swimming water. Ductless heat pumps will continue to be the strongest option … “I’ve been reading your articles on heating and cooling with a heat pump vs. AC with great interest. According to Energy.gov, “an electric heat pump water heater might have lower energy costs because of its higher efficiency than a gas-fired conventional storage water heater, even though local natural gas costs might be lower than the electricity rates.”. In fact, while a gas furnace is always less than 100% efficient (newer models are usually 92–95%), a heat pump can achieve efficiencies of 300–400% (i.e. And it always takes less energy to move heat than create it. One of the biggest advantages of ductless heat pump installation is that ductless heat pumps can use electricity instead of gas. Nearly all houses have electricity, and many have access to both gas and electricity. A water heat pump will only use around $190 worth of energy per year, almost half of what a natural gas heater must use. “Heat pumps also have heating elements like conventional water heaters that turn on if the unit can’t generate enough hot water on its own,” says Banta. Water heater would you recommend? However, if saving money (and energy) is more important to you, a hybrid heat pump is probably the best choice. Therefore, they can be two to three times more energy efficient than conventional electric resistance water heaters. Even though a hybrid heat pump is technically more energy efficient, gas is generally cheaper than electricity in the Phoenix area. A heat pump water heater extracts heat out of the air where the water heater is located (typically a basement) to heat the water. Average input ratings for a gas water heater range from around 30,000 to 180,000 BTUs, depending on size. Copyright © 2021 Acton Media Inc. All rights reserved. These savings are somewhat offset by the higher purchasing … Cost of operation, efficiency, and performance should also play a role in your decision. While the efficiency of gas and electric models tends to be fairly similar, especially when you’re looking at models of the same manufacturer and size, certain types of electric-powered models—including heat pump and hybrid heat pump units, described below—have the efficiency advantage. And for good reason. These appliances must be installed in an area of at least 1,000 square feet, though, so while they’re a good option for a roomy garage, they’re not appropriate for a small utility closet. The more BTUs, the faster the unit will heat water. This article has been brought to you by SupplyHouse.com. A gas water heater provides a higher level of comfort because it has a faster recovery rate. This mode prevents the water heater from automatically switching to electric resistance heating during times of high hot water demand. Privacy Policy, “Tankless vs Hybrid Heat Pump: Which Water Heater is Better For My AZ Home?”. My wife and I just bought a house that needs renovation which includes replacing the heat pump. BTU measures the amount of energy needed to heat one pound of water by one degree Fahrenheit. Gas heat pumps differ from electric heat pumps in these ways: They don’t use refrigerants like electric heat pumps. Condensing water heaters capture and recirculate what would otherwise be wasted energy in order to increase the units’ overall efficiency. Hot water heat pump system prices range from around $3300 for a ≈160L to $4,000 for a ≈315L. “In the long term, your monthly bills are what will hurt you.”. Should I Preemptively Replace My Old Water Heater? Condensing water heaters have higher first-hour ratings and recovery rates than non-condensing models. Gas energy can be less wasteful than electric heat pumps if you live in an area where natural gas is affordable. Tankless hot water heaters have been the choice of energy conscious consumers over the past 15 years. If they have propane, they can opt for a gas water heater, such as the Rinnai 160,000 BTU Condensing Tankless Water Heater, and then purchase a Rinnai NG to LP Conversion Kit (both available from SupplyHouse) to convert the unit to propane use. So, in the gas vs electric heat debate, is gas heat really more comfortable than reverse cycle heat pumps systems? If you take the efficiency of these units as simply the overall energy cost savings of operating, and not how much you’d have to recoup on your investment, which system, tankless or H.P. Heat Pump Drawbacks. The Arctic Heat Pump can integrate into any radiant floor heating design and replace any gas or electric boiler. And it always takes less energy to move heat than create it. Copyright © 2021 George Brazil Plumbing & Electrical. It simply can’t heat a home in harsh winter weather. For comparison’s sake, let’s look at the average BTU/hour input of both systems: A hybrid heat pumps water heater’s low BTU input means that it would have a hard time keeping up if your household is accustomed to drawing large volumes of hot water at once (for example, running the dishwasher and washing machine while showering). If you have gas, a tankless water heater makes more sense. A heat pump uses a refrigerant to transfer heat from other sources, such as the outside air, into the home. On the other hand, a gas water heater could recover a depleted 40 gallon tank in less than an hour. You can see why when you compare the overall “life-cycle” costs of various water heater systems using this chart: Note: While these figures are from 2012 you can still expect similar results from hybrid and gas water heaters available today.Source: ACCEE. Heat pump water heaters are more energy efficient because they move heat while gas water heaters create heat via combustion. the backbone of most HVAC systems. The pump removes heat from the air outside the home and transfers it inside as a means of heating. To learn more about how they can save you money, check out our article, “Tankless vs Hybrid Heat Pump: Which Water Heater is Better For My AZ Home?”. The estimated amount of energy used yearly (BTUs or watts), An Energy Star logo (if the water heater meets. If you’ve had the same hot water heater for longer than 10 years—the standard lifespan—it’s smart to consider replacing the appliance before it quits performing and puts you in a tough position. 1 unit of energy in = 3–4 units of heating out). Depending on the model, you could save up to 80 percent on hot water costs by choosing a hybrid heat pump over a standard water heater. From here the system can deliver heat to any part of the house by removing the energy in the buffer tank. Maintain Water Temperature in Any Weather - Gas heaters are not dependent upon outside temperature in order to produce heat for your pool. Don't Overlook This One Key Factor, The Best Non-Electric Heaters for Cozy Warmth, The Best Tankless Gas Water Heater for Your Home. At Lowe’s, a 50-gallon heat pump water heater goes for around $1,100, while its older, conventional cousin the electric water heater can be purchased for closer to $300. For example, most hybrid heat pump units have a “vacation” mode that reduces operating costs when no one is at home. And yes, both of these can be used in cold weather, but each of them has its own pros and cons. A heat pump is a more complex device if compared with a boiler, but the main goal behind the functioning of a pump is more or less the same, namely heat generation. By Glenda Taylor. 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